| 摘要 |
PURPOSE:To contrive enhancement of printing quality and reduction in consumption of an ink ribbon, by a construction wherein an ink ribbon feeding quantity with which parts of printed characters overlap with each other on the ribbon and an ink ribbon feeding quantity with which no parts of the printed characters overlap with each other on the ribbon can be selected. CONSTITUTION:An ink ribbon 1 is fed in synchronism with a hammer solenoid 5 by rotating a driving gear 10 and a gear 8 by a pulse motor 9. With a normal feeding quantity setting signal S1 inputted into a feeding quantity setting circuit (a), a signal is sent to the motor 9 through a pulse-generating circuit 11 and an amplifier 12, and the motor 9 is driven to feed the ink ribbon 1 at such a velocity that parts of the printed characters overlap with each other on the ribbon 1. On the other hand, with a feeding quantity setting signal S2 for enhancing printing quality inputted, the motor 9 is driven to feed the ribbon 1 at such a velocity that no parts of the printed characters overlap with each other on the ribbon 1. Accordingly, printing is conducted with enhanced printing quality when printing a particularly important composition, and the consumption of the ink ribbon can be reduced in other cases.
|
